a preformed pool.
一个预制的水池。
a preformed pool.
一个预制的水池。
preformed joint filler
预塑式嵌缝板, 预制填缝料
The structure of the preformed armor rods is simple and a set of preformed rods become an empty pipe and enlace ,hold and protect the conductor。
预绞式护条结构简单,一组预绞丝形成空管,包裹产生握紧力,从而保护;
Dacryocystography was preformed in all patients before operation to confirm the obstructive sity and the size of lacrimal sac.
术前造了解泪囊的大小和阻塞的部位,最佳手术适应证。
When installation, unlade the join copper bus bar, through the preformed long-square hole, fixing it on the main grounding bus bar.
安装将互连铜排卸下,穿越柜间预留的长方孔,固定在相邻两柜的主接地铜排上。
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